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authorDavid Daney <ddaney@caviumnetworks.com>2010-12-21 14:19:09 -0800
committerRalf Baechle <ralf@linux-mips.org>2011-01-18 19:30:22 +0100
commite77c32fe284a4da1b4e0994890a4d3527812eb61 (patch)
tree8bff97f0aeb8ce4ba0bf4af92f798e06b66f6e9f /arch/mips/include/asm
parent487d70d0b8bd1c70d099a7526077ffefee412050 (diff)
MIPS: Probe for presence of KScratch registers.
Probe c0_config4 for KScratch registers and report them in /proc/cpuinfo. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1877/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm')
-rw-r--r--arch/mips/include/asm/cpu-info.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index b39def3f6e0..c454550eb0c 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -78,6 +78,7 @@ struct cpuinfo_mips {
unsigned int watch_reg_use_cnt; /* Usable by ptrace */
#define NUM_WATCH_REGS 4
u16 watch_reg_masks[NUM_WATCH_REGS];
+ unsigned int kscratch_mask; /* Usable KScratch mask. */
} __attribute__((aligned(SMP_CACHE_BYTES)));
extern struct cpuinfo_mips cpu_data[];